cm_fx6: fix video stdout in default environment

After migration to DM 'vga' name is not longer supported,
change it to 'vidconsole' in the default environment.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Nikita Kiryanov <nikita@compulab.co.il>
diff --git a/include/configs/cm_fx6.h b/include/configs/cm_fx6.h
index 302907d..35f251c 100644
--- a/include/configs/cm_fx6.h
+++ b/include/configs/cm_fx6.h
@@ -49,8 +49,8 @@
 	"scriptaddr=" __stringify(CONFIG_LOADADDR) "\0" \
 	"fdtfile=undefined\0" \
 	"stdin=serial,usbkbd\0" \
-	"stdout=serial,vga\0" \
-	"stderr=serial,vga\0" \
+	"stdout=serial,vidconsole\0" \
+	"stderr=serial,vidconsole\0" \
 	"panel=HDMI\0" \
 	"autoload=no\0" \
 	"uImage=uImage-cm-fx6\0" \